A person spent ` 564 in buying geese and ducks,if each goose cost ` 7 and each duck ` 3 and if the total number of birds bought was 108, how many of each type did he buy?
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Answered by
26
let the no. of goose bought = x
then, the no. of ducks bought = 108-x
cost of 1 goose = ₹7
cost of all goose = ₹7x
cost of 1 duck = ₹3
cost of all duck = ₹3(108-x) = ₹324-3x
A/q
₹7x + ₹324-3x = ₹ 564
324+4x = 564
4x = 564-324
4x = 240
x =60
No of goose = 60
No of duck = 108-60 =48
Answered by
5
refer to pic above please
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